Core Points - The 76th International Executive Council meeting of the International Commission on Irrigation and Drainage was held in Kuala Lumpur, Malaysia, where the 2025 World Irrigation Heritage List was officially announced [1] - Four irrigation projects from China were successfully included in the list, bringing the total number of China's World Irrigation Heritage sites to 42 [1] Summary by Category Selected Projects - The Yunnan Honghe Hani Rice Terraces, located in the Ailao Mountains, cover an irrigation area of 56,100 acres [1] - The Chishan Lake Irrigation Project in Jiangsu Province has a history of over 1,700 years and irrigates an area of 77,000 acres, serving as an important irrigation and flood control project on the upper reaches of the Qinhuai River [1] - The Qianjiang Weir in Sichuan Province, established during the Western Han Dynasty, is a notable representative of the irrigation system in the Longmen Mountain alluvial plain, utilizing a pebble bamboo cage technique for irrigation, flood discharge, and silt removal [1] - The Yongding River Ancient Canal Irrigation Project in Beijing's Mentougou District consists of five ancient canals and surrounding springs and wells, with the Gongyigou canal dating back to the Liao Dynasty [1]

Core Points - The 76th International Executive Council meeting of the International Commission on Irrigation and Drainage was held in Kuala Lumpur, Malaysia, where the 2025 World Irrigation Heritage List was officially announced [1] - Four irrigation projects from China were successfully included in the list: the Yuanyang Hani Rice Terraces in Yunnan, the Chishan Lake Irrigation Project in Jiangsu, the Qianjiang Weir in Sichuan, and the Yongding River Ancient Canal Irrigation Project in Beijing [1][4] Summary by Category - **Irrigation Projects** - The Yuanyang Hani Rice Terraces cover an irrigation area of 56,100 acres and were established during the Tang Dynasty, showcasing a three-dimensional ecological system [4] - The Chishan Lake Irrigation Project, located in Jiangsu, has a history of over 1,700 years and irrigates 77,000 acres, serving as a crucial irrigation and flood control project on the Qinhuai River [4] - The Qianjiang Weir in Sichuan, dating back to the late Western Han Dynasty, currently irrigates 162,000 acres and is a notable example of the Pingliang water distribution system [4] - The Yongding River Ancient Canal Irrigation Project in Beijing consists of five ancient canals and surrounding springs, demonstrating a harmonious relationship between water management and flood prevention [4] - **Heritage Recognition** - The total number of World Irrigation Heritage sites has reached 200 since the establishment of the list in 2014, with China's total now at 42 [7][8]